HD6417618 RENESAS [Renesas Technology Corp], HD6417618 Datasheet - Page 134

• Manufacturer Part Number: HD6417618
• Description: 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7618 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 6 Interrupt Controller (INTC)
6.6.2
Figure 6.4 shows the stack after interrupt exception handling.
6.7
Table 6.3 lists the interrupt response time, which is the time from the occurrence of an interrupt
request until the interrupt exception handling starts and fetching of the first instruction of the
interrupt handling routine begins. Figure 6.5 shows an example of the pipeline operation when an
IRQ interrupt is accepted.
Rev. 6.00 Jun. 12, 2007 Page 102 of 610
REJ09B0131-0600
Notes: 1. PC is the start address of the next instruction (instruction at the return address) after the executed
2. Always make sure that SP is a multiple of 4
Stack after Interrupt Exception Handling
Interrupt Response Time
instruction.
Figure 6.4 Stack after Interrupt Exception Handling
Address
4n – 8
4n – 4
4n
PC
SR
*1
32 bits
32 bits
SP
*2